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Rural ResidenceResidential
$689,807$208 / ft²
TopHap EstimateOur estimate of what this home would sell for today, based on nearby sales, the home's size and features, and local price trends. It is a starting point, not an appraisal.· confidence 90How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $378,000 on Oct 16, 2019

135 MARTHAS DR

CONOWINGO, MD 21918
2
Baths
3,322 ft²
Living AreaTotal finished area of the structures, from county records. Some counties include shared space like hallways or a building gym, so it may not match a listing.
16.89 ac
Lot SizeThe size of the land the home sits on, from county records.
1800
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$690K
$619K low$760K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$378,000 · Oct 16, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,654 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$331,433 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$327,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$338,700

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.135 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.1 percent flood zone

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Rural Residence
CountyCECIL
Lot (acres)The size of the land the home sits on, from county records.16.89
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Heat Pump
CoolingThe type of cooling or air conditioning in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.Yes
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 60 ft²

Transaction History(1)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Rising Sun Elementary SchoolC
Elementary · Grades PK–5 · 3.1 mi
H
Perryville High SchoolB
High · Grades 9–12 · 5.8 mi
M
Perryville Middle SchoolC
Middle · Grades 6–8 · 6.5 mi

District: Cecil County Public Schools

Neighborhood · ZIP 21918These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.

CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.110
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.85
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.65

Index scale: 100 = US average (tick). Lower is better.

Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.9.0%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.2%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.4,371
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.226 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$82,570
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$101,724
Average tempThe average temperature here across a full year.54°F
Annual precipHow much rain and melted snow falls here in a typical year.47 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.57%

Owner Tools

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Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

How this home compares

135 Marthas Dr measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.

  • Worth more than 96% of homes in Conowingo 21918
  • Costs less per square foot than 84% of homes in Conowingo 21918
  • Bigger than 98% of homes in Conowingo 21918
  • Has a bigger lot than 97% of homes in Cecil County
  • Among the oldest homes in Cecil County

What homes are worth in Conowingo 21918

Each bar is how many homes fall in that price range. The marker is this home.

This home
$182K$764K

This home is worth more than 96% of homes in Conowingo 21918.

How it measures up in Conowingo 21918

The dot is this home. The mark in the middle is the typical home in Conowingo 21918.

Estimated value$689,807
CheaperTypical $390,141Pricier

Pricier than 96% of homes nearby

Price per ft²$208
CheaperTypical $266Pricier

Pricier than 16% of homes nearby

Living area3,322 ft²
SmallerTypical 1,440 ft²Bigger

Bigger than 98% of homes nearby

Lot size16.89 ac
SmallerTypical 1.12 acBigger

Bigger than 94% of homes nearby

Year built1800
OlderTypical 1988Newer

Older than almost all homes nearby

How 135 Marthas Dr ranks against every home in each area.
MeasureThis homeConowingo 21918Cecil County
Estimated valuepricier than$689,80796% of homes94% of homes
Price per ft²pricier than$20816% of homes38% of homes
Living areabigger than3,322 ft²98% of homes94% of homes
Lot sizebigger than16.89 ac94% of homes97% of homes
Year builtnewer than1800almost no homesalmost no homes

About 135 Marthas Dr

How much is 135 Marthas Dr, Conowingo, MD worth?

The TopHap Estimate for 135 Marthas Dr, Conowingo, MD is $689,807 as of Aug 30, 2026. The likely range is $619,296 to $760,318. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 135 Marthas Dr, Conowingo, MD last sell?

135 Marthas Dr, Conowingo, MD last sold on Oct 16, 2019 for $378,000, according to the county's recorded deed.

How big is 135 Marthas Dr, Conowingo, MD?

135 Marthas Dr, Conowingo, MD has 2 bathrooms, 3,322 square feet of living space and a 16.89-acre lot.

When was 135 Marthas Dr, Conowingo, MD built?

135 Marthas Dr, Conowingo, MD was built in 1800, making it 226 years old. The building has 2 stories.

What schools serve 135 Marthas Dr, Conowingo, MD?

135 Marthas Dr, Conowingo, MD is assigned to Rising Sun Elementary School (elementary), rated C; Perryville High School (high), rated B; Perryville Middle School (middle), rated C. All sit in Cecil County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 135 Marthas Dr, Conowingo, MD compare to other homes in Conowingo 21918?

Among the 1,400 homes in Conowingo 21918, it is worth more than 96% of them ($689,807 against a typical $390,141), its price per square foot is higher than 16% of them ($208 against a typical $266), it is bigger than 98% of them (3,322 ft² against a typical 1,440 ft²), its lot is bigger than 94% of them (16.89 ac against a typical 1.12 ac) and it is newer than almost none of them (1800 against a typical 1988). Measured against all of Cecil County, it is worth more than 94% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 135 Marthas Dr, Conowingo, MD?

The 2026 property tax bill for 135 Marthas Dr, Conowingo, MD was $3,654. The county assessed it at $331,433.

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